<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <form action="/man/update">
      <input type="hidden" name="id" th:value="${man.id}">
      姓名：<span th:text="${man.name}"></span><br>
      性别：<span th:text="${man.sex}"></span><br>
      生日：<span th:text="${man.birthday}"></span><br>
      电话：<input type="text" name="phone" th:value="${man.phone}"><br>
      <input type="submit" value="修改">
    </form>

</body>
</html>